Ask Pablo

What’s the True Environmental Cost of Fiji Water?

ED Note: This is the original “Ask Pablo” column which set off enormous hullabaloo about the “cost” of bottled water. This post was…

AskPablo: Computer Standby

A few weeks ago I received the following question from A. Stevenson: “Any idea what a desktop computer uses when not turned on,…

AskPablo: The Dishwasher

People in tie-dye everywhere will tell you that technology is the devil, but most of today’s “Cultural Creatives” will tell you that using…

AskPablo: Brrr, it’s cold outside…

This week’s AskPablo is inspired by the cold weather that we are experiencing here in California right now. Backyard pools have frozen over,…

AskPablo: Phantom Power

Happy New Year! I hope you are all ready to make some New Year’s Resolutions for sustainability. Will it be resolving to ride…

AskPablo: Showertime

If weren’t a necessary part of good hygiene and if it didn’t feel so good on a cold, groggy morning, the concept of…

AskPablo: Active Solar

This week I am going to run the numbers on a hypothetical active solar heating system. Active solar differs from passive solar in…

AskPablo: R-Value

Many years ago some guy decided to leave a legacy behind. His goal was to confuse the heck out of us. But with…

AskPablo: Pine or Plastic? The X-mas tree dilemma

Turkey day has come and gone, the Black Friday riots at the mall are over and X-mas 2006 is officially upon us. But…

AskPablo: Water Heater vs. Stove

This week Steve asks: “Which is better, running the tap water for a minute to get hot water or heating cold water on…

AskPablo: Wind Farming

Last year I was asked to help get water to a village. The only problem was that this village was thousands of miles…

AskPablo: Clean Natural Gas?

One of my readers has asked “are Natural Gas cars really cleaner?” Well, what do you think? Many people believe that CNG stands…

AskPablo: OTEC and Engine Efficiency

This week I am looking into the theoretical maximum efficiency of a heat engine. Then I will focus on a technology that harnesses…

AskPablo: The Tailpipe Mystery

This week on AskPablo I address the question: “Why does burning one kg of gasoline in my car’s engine result in more than…